<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2018-03-16
 * Time: 9:35
 */
class Person{
    public $hand = '两只手';
    public static $foot = '没有';
}
$p1 = new Person();
//echo $p1 ->foot;
echo Person::$foot;
echo "Hello World!";
?>